Table 8.
Performance of the scores to predict acute appendicitis in operated on female patients
| Alvarado | AIR | RIPASA | AAS | |
|---|---|---|---|---|
| Cut-off | >6 | >5 | >7 | >13 |
| Sensitivity | 55.8% | 75.1% | 77.1% | 64.0% |
| Specificity | 72.4% | 50.4% | 50.0% | 66.1% |
| Accuracy | 57.7% | 72.1% | 74.0% | 64.2% |
| PPV | 94.0% | 91.7% | 92.2% | 93.3% |
| NPV | 17.4% | 21.7% | 22.3% | 19.8% |
| AUC (95% c.i.) | 0.695 (0.645,0.744) | 0.640 (0.580,0.700) | 0.692 (0.642,0.742) | 0.707 (0.657,0.756) |
| P | <0.001 | <0.001 | <0.001 | <0.001 |
Bold values indicate statistically significant results. PPV, positive predictive value; NPV, negative predictive value; AUC, area under receiver operating characteristic (ROC) curve; c.i., confidence intervals; AIR, Appendicitis Inflammatory Response; RIPASA, Raja Isteri Pengiran Anak Saleha Appendicitis; AAS, Adult Appendicitis Score.